To survive a dangerous criminal underworld, Serena has always kept her legendary gambling genes completely hidden. But when her mother falls critically ill, Serena desperately needs a miracle drug worth hundreds of millions. Her search leads her to the Divine Hospital—a front for the world’s most exclusive underground casino. Stepping up to the high-stakes tables to save her mother, Serena's unbeatable skills instantly catch the obsessive eye of the casino’s ruthless kingpin.